The BBC have confirmed that episode nine of Series 10, The Empress of Mars, will air at the earlier time of Saturday 10th June at 7.15pm on BBC One.
The episode will last for 45 minutes, and finishes at 8pm. The Empress of Mars, written by Mark Gatiss, will air on the same day on BBC America at 9/8C.
The Doctor, Bill and Nardole arrive on Mars, and find themselves in an impossible conflict between Ice Warriors… and Victorian soldiers. As the Martian hive awakens around them, the Doctor faces a unique dilemma – this time the humans, not the Ice Warriors are the invaders. When Earth is invading Mars, whose side is he on?